Esempio n. 1
0
        public override void DidReceiveChallenge(NSUrlSession session, NSUrlSessionTask task, NSUrlAuthenticationChallenge challenge, Action <NSUrlSessionAuthChallengeDisposition, NSUrlCredential> completionHandler)
        {
            //base.DidReceiveChallenge(session, task, challenge, completionHandler);
            NSUrlCredential userCredential = NSUrlCredential.FromUserPasswordPersistance(UserName, Password, NSUrlCredentialPersistence.None);

            //challenge.Sender.UseCredential(userCredential, challenge);
            completionHandler(NSUrlSessionAuthChallengeDisposition.UseCredential, userCredential);
        }
Esempio n. 2
0
        public void DidReceiveAuthenticationChallenge(WKWebView webView, NSUrlAuthenticationChallenge challenge, Action <NSUrlSessionAuthChallengeDisposition, NSUrlCredential> completionHandler)
        {
            NSUrlCredential userCredential = NSUrlCredential.FromUserPasswordPersistance(UserName, Password, NSUrlCredentialPersistence.None);

            completionHandler(NSUrlSessionAuthChallengeDisposition.UseCredential, userCredential);
        }
Esempio n. 3
0
            public override void DidReceiveChallenge(NSUrlSession session, NSUrlSessionTask task, NSUrlAuthenticationChallenge challenge, Action <NSUrlSessionAuthChallengeDisposition, NSUrlCredential> completionHandler)
            {
                if (challenge.ProtectionSpace.AuthenticationMethod == NSUrlProtectionSpace.AuthenticationMethodNTLM)
                {
                    NetworkCredential credentialsToUse;

                    if (This.Credentials != null)
                    {
                        if (This.Credentials is NetworkCredential)
                        {
                            credentialsToUse = (NetworkCredential)This.Credentials;
                        }
                        else
                        {
                            var uri = this.getResponseForTask(task).Request.RequestUri;
                            credentialsToUse = This.Credentials.GetCredential(uri, "NTLM");
                        }
                        var credential = new NSUrlCredential(credentialsToUse.UserName, credentialsToUse.Password, NSUrlCredentialPersistence.ForSession);
                        completionHandler(NSUrlSessionAuthChallengeDisposition.UseCredential, credential);
                    }
                    return;
                }

                if (challenge.ProtectionSpace.AuthenticationMethod.Contains("NSURLAuthenticationMethodHTTPDigest"))
                {
                    var credentials = This.Credentials.GetCredential(task.CurrentRequest.Url, "Digest");
                    completionHandler(NSUrlSessionAuthChallengeDisposition.UseCredential, NSUrlCredential.FromUserPasswordPersistance(credentials.UserName, credentials.Password, NSUrlCredentialPersistence.ForSession));
                    return;
                }

                if (!This.customSSLVerification)
                {
                    goto doDefault;
                }

                if (challenge.ProtectionSpace.AuthenticationMethod != "NSURLAuthenticationMethodServerTrust")
                {
                    goto doDefault;
                }

                if (ServicePointManager.ServerCertificateValidationCallback == null)
                {
                    goto doDefault;
                }

                // Convert Mono Certificates to .NET certificates and build cert
                // chain from root certificate
                var serverCertChain   = challenge.ProtectionSpace.ServerSecTrust;
                var chain             = new X509Chain();
                X509Certificate2 root = null;
                var errors            = SslPolicyErrors.None;

                if (serverCertChain == null || serverCertChain.Count == 0)
                {
                    errors = SslPolicyErrors.RemoteCertificateNotAvailable;
                    goto sslErrorVerify;
                }

                if (serverCertChain.Count == 1)
                {
                    errors = SslPolicyErrors.RemoteCertificateChainErrors;
                    goto sslErrorVerify;
                }

                var netCerts = Enumerable.Range(0, serverCertChain.Count)
                               .Select(x => serverCertChain[x].ToX509Certificate2())
                               .ToArray();

                for (int i = 1; i < netCerts.Length; i++)
                {
                    chain.ChainPolicy.ExtraStore.Add(netCerts[i]);
                }

                root = netCerts[0];

                chain.ChainPolicy.RevocationFlag      = X509RevocationFlag.EntireChain;
                chain.ChainPolicy.RevocationMode      = X509RevocationMode.NoCheck;
                chain.ChainPolicy.UrlRetrievalTimeout = new TimeSpan(0, 1, 0);
                chain.ChainPolicy.VerificationFlags   = X509VerificationFlags.AllowUnknownCertificateAuthority;

                if (!chain.Build(root))
                {
                    errors = SslPolicyErrors.RemoteCertificateChainErrors;
                    goto sslErrorVerify;
                }

                var subject   = root.Subject;
                var subjectCn = cnRegex.Match(subject).Groups[1].Value;

                if (String.IsNullOrWhiteSpace(subjectCn) || !Utility.MatchHostnameToPattern(task.CurrentRequest.Url.Host, subjectCn))
                {
                    errors = SslPolicyErrors.RemoteCertificateNameMismatch;
                    goto sslErrorVerify;
                }

sslErrorVerify:
                var hostname = task.CurrentRequest.Url.Host;
                bool result = ServicePointManager.ServerCertificateValidationCallback(hostname, root, chain, errors);

                if (result)
                {
                    completionHandler(
                        NSUrlSessionAuthChallengeDisposition.UseCredential,
                        NSUrlCredential.FromTrust(challenge.ProtectionSpace.ServerSecTrust));
                }
                else
                {
                    completionHandler(NSUrlSessionAuthChallengeDisposition.CancelAuthenticationChallenge, null);
                }
                return;

doDefault:
                completionHandler(NSUrlSessionAuthChallengeDisposition.PerformDefaultHandling, challenge.ProposedCredential);
                return;
            }